silicic acid, aluminum potassium sodium salt
The Expert Panel for Cosmetic Ingredient Safety concluded that the following 24 silicate ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating, with the exception that the available data are insufficient to make a determination of safety for the use of naturally-sourced (i.e., mined) silicate ingredients in products that may be incidentally inhaled: Sodium Potassium Aluminum Silicate. — Cosmetic Ingredient Review (CIR)
- IUPAC name
- nonaaluminum;potassium;tetrasodium;octadecakis(dioxosilane);dotriacontahydroxide
- Molecular formula
- Al9H32KNa4O68Si18
- Molecular weight
- 1999.6 g/mol
- Exact mass
- 1997.245902 Da
- Topological polar surface area
- 647.0 Ų
- Hydrogen-bond donors
- 32
- Hydrogen-bond acceptors
- 68
- Covalent units
- 64
- Defined stereocentres
- 0
Also known as
1 more reported name
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: Dry Powder Source: EPA Chemical Data Reporting (CDR)
- Note: This chemical does not meet GHS hazard criteria for 5.2% (9 of 173) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (27.7%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (27.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (94.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 173 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 9 of 173 reports by companies.; There are 4 notifications provided by 164 of 173 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Cosmetic Ingredient Review Conclusion: The Expert Panel for Cosmetic Ingredient Safety concluded that the following 24 silicate ingredients are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating, with the exception that the available data are insufficient to make a determination of safety for the use of naturally-sourced (i.e., mined) silicate ingredients in products that may be incidentally inhaled: Sodium Potassium Aluminum Silicate. Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications; The available data are insufficient to support safety Source: Cosmetic Ingredient Review (CIR)
- Industry Uses: Adsorbent Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Sodium Potassium Aluminum Silicate Source: Cosmetic Ingredient Review (CIR)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.